Frost wrench
As winter moth several species of butterflies refers to the family of the release include, but are different genres is attributable to:
- Little Frostworm or Common Frostworm ( Operophtera brumata )
- Beech Frostworm ( Operophtera fagata )
- Great frostworm ( Erannis defoliaria )
- Lignyoptera fumidaria
